This is the latest in our series of posts marking the 50th anniversary of the Copyright Act of 1976. To find a list of all the posts in this series, click here. As anyone who has ever lived in an old house knows, sometimes additions and renovations are great. Sometimes they are good ideas but poorly executed. And sometimes they are just bad ideas from the start. That last category is where I’d put 104A. Section 104A is responsible for one of the greatest contractions of the public domain in history. It’s the first provision we’ve covered in this series that…